Combined starting and ignition switching device and circuits therefor.



W. I. HART.

COMBINED STARTING AND IGNITION SWITCHING DEVICE AND CIRCUITS THEREFOR-APPLICATION FILED JULY 21, I9I4.

1,226,971 Patented May 22, 1917.

IN VEN TOR.

I BY 7 A TTORNEY ill W'ELLIAM. J. HART, Oh MUUIQ'T VERNON, unwfionx,ASSIGNOE 1'0 SPLITDOEF ELEC- TRICAL COMEANY, i NEVTABK, NEVJ JERSEY.

' I GQIl IIBINED STARTING AND IGNITION SWITCHING IDEVICE AND CIRCUITSTHEREFOR.

' ignition coil of New, Yorlr,

Leeann.

To (157/ whom it may concern:

Be it known that I, l VILLIAM J. HART, a citizen of the -United States,resident of Mount Vernon, county of Nestchester, grate have inventedcertain new and useful Improvements in a Combined Starting and IgnitionSwitching Devi and Circuits 'lherefor, of which the following is aspecification, giving a full and clear description, such will enableothers skilled in the art to which it appertains to make and use thesame.

My invention relates particularly to ap- T paratus used in starting andoperating an internal combustion engine, such as used on automobiles andother moving vehicles. In certain systems now in use on moving vehicles,it is customary to start the engine using battery for a source ofignition. current, and as soon as the engine is started, to throw overon to magneto. It sometimes happens that a driver will in stopping thevehicle he is driving, throw his ignition switch-over on to batteryinstead of to the ofil position, and in a number of other ways, leavethe switch on battery, in which case either the batteries are run downor the is burned out, or both things may occur. It also happens driverstarts his engine he forgets to switch over to magneto and runs for along time on battery. If he is using'dry cells, in the ignitioncircuits, he soon finds himself without any ignition battery forstarting;

To overcome all of these diliiculties, I have combined the control ofthe ignition circuits with the starting switch which is now commonlyused for operating and starting the motor, whichcranks the engine. By

my invention, it is impossible to leave the battery on the-ignitioncircuits orto run on I the battery after the engine has been started.

My involution is more particularly described in the attached drawingsand specification, in which Figure 1 is a view of one form of startingmoved and showing the various circuit contacts in their normal position.

Fig. 2 is a side elevation of Fig. 1' with Specification of LettersPatent.

that after athis runs them down andtherefrom by suitable switch with thecover re- Yatentcd may as, raw.

Serial no. 852,209.

one section of the switch box broken away to expose the switch plunger.

Fig. 3 shows a simplified wiring diagram of the ignition circuits inconnection with the starting switch, a portion of which is shown as asection on line J K of Fig. l and the side walls on sections AA througlwhich the ignition circuit terminals project.

Fig. 4 shows a simplified wiring diagram of the starting motor circuitand the contacts used in the starting'switch for the ignition circuits.

in the various figures of the drawing like numbers are used for thecorresponding parts. Referring particularly to thedetails, 17' is astarting switch box. 16 is a plunger which carries a contact arm '3.When the plunger 1; is depressed the contact arm 3 is brought intocontact relation with the brushes .1 and 2, which are connectedrespectively to terminals 15) and 18. Terminal 1%) is connected tobattery B, which has its opposite terminal grounded.

Terminal 18 e other terminal of which is grounded. Itis thus seen thatthe motor circuit is completed and the motor will begin to operate andcontinue to operate as long as the plunger 16' is held in a depressedposition. Mounted on the side of the box 17, are suitable spring members6, 9, 10 and 11. The member (3 has two forks, at Fig. l, the springmember 9 is below the fork 8, there being no spring member below thefor]; 7. The spring member 6 is con nected by terminal 30 and wire 15 toa con-- tact s\\"itch l). Spring member 9 is connccted by means ofterminal 31 to the frame of the box 1? which is grounded. The member 3of the starting switch has mounted thereon two contact blades 4 and 5.4C is not insulated therefrom, while 5 is insulated,

bushings, The contact blade 10'is connected by a terminal 28 and wire 12to the primary P of the induction coil. The'switch blade 11' isconnected by terminal 29 to a winding A of the magneto armature, theother end of said winding being connected to the frame 01 the magnetowhich is grounded. The blades 6,

7 and-8. Looking- 10 and 1,1, with their respective terminals areinsulated from the box 17 as will be seen in Fig. 3. (onnected to wire12 is wire 13, which runs to a contact screw K and the condenser L is abreakerboxlever usually mounted on the magneto and operated by the amll. (onnected across prin' ary l is a condenser (l. Leading from theinduction coil is a wire 1t running to the lever of the I switch I),which may be mounted in any convenient place to suit the driver of thevehicle. The semndary S of the induction coil is connected to one end ofthe prin'rary 1 and condenser and wire 1-1. The other end l) runs to thedistributei' ot the magneto. This distributer is not shown. as; it is awell known piece of apparatus and forms no part of the presentinvention.

In the operation of the starting switch, by pushing plunger 10 'downwardthe member 21, which is carried on the auxiliary member 20 of theplunger and having two grooves 2(3 and 27, is caused to pass suddenlythe plungers 2i andQS. in going from one position to the other, and bylllkllls ot the springs 22 and 23 a quick action is obtained so thatthere is no are at brushes 1 and 2. and no time is lost in switchingfrom battery to magneto. lhe starting switch is made antomatic by meansot'the springs 22 and 23, so that as soon as the pressure is removedfrom the plunger 16, innnediately the engine starts on its own power,the switch blade is blade 5. switch blade it). contact carried back toits normal position, which position is the. operating position of themagneto and the off position for the start ing motor and batteryignition.

The ignition circuits so tar as the starting with a special switch,

fork 8, switch blade t and contact blade 9, terminal 31 to ground, towhich the other end of the armature winding is connectial. secondcircuit is obtained for the armature .current from the wire 12throughwire 13, contact l\, lever L to ground,

charged through the-winding l oi" in luc-' tion coil in the ordinarymanner for circuits ot this nature.

It is thus seen that by my arrangement of switch parts and wiring I. amenabled to and thus it combine the ignition controlling apparatus withthestarting switch, thereby doing away which is ordinarily used withignitioncircuits. \Vhile I have shown a so-called low tension ignitiontem, my invention is broad enough to include all sysi ms in whichbattery is used in the ignition circuits during the starting period. Theform ot' starting switch shown is no part oi my invention as myimprovements may be applied to any of the numerous start ing swit hesnow in use. I have also shown. the saint battery for ope 'ating both thestartii'ig motor and ignition amiaratus. but this is not necessary, andit will be seen that numerous and extensive changes and alterations maybe made in various details. without departing from the spirit of myinvenswitch is concerned can be traced as follows:

Assun'iing that the plunger 16 is pushed down, so that the plungers 24and-27 rest in a. groove 27 of member 21. then as previously described,the starting motor circuit. will be closed and battery will be takenfrom the switch member 3 to contact bl adesl. tork 7 0t switch'blade t'.terminal 30 to switch 1). the same being now closed, wire 14-, primary Pof induction coil, wire 13. contact K. lerer L to' ground, which is alsothe opposite side of battery B. As the engine is cranked, contact K isopened and closed by the cam E acting on the lever lr. and a spark ispro duced by the secondary S oi the induction coil through'thcdistributer and spark plugs oi the engine in the ordinary manner. \Vhenthe engine begins to tire. the pressure is removed i'rom theplunger-"16. and it is returned to its normal position as shown in Fig.'1. pleted l'rom the magneto armature through contact 2 switch blade 11.contact 23 to the primary l of induction coil. wire 1-l. switch D, wire15, contact Cit). switch blade. (1. and its it is now seen that acircuit is comtion and the scope of the appended claims.

Having thus described my invention, what I claim is: i I

1. In a device of the character described, the combination of a battery,11. starting motor. a switch for connecting said battery to i saidmotor. a magneto hating a circuit. l iker and circuits therefor. saidmagneto operating said circuit breaker in one of said circuits when saidswitch connects battery to the starting motor and operating said circuit breaker in another circuit when said switch is in its normalposition.

2. in combination. a starter circuit. a battery circuit aml a magnetocircuit. a switch member manually movable in one direction close thestarter circuit and :il1l()lllt\ll(:lll. movable in the opposite.direction to break such circuit. other switch members manually movableto break the magneto circuit and close the battery circuit andautomatically operable to break the battery circuit and to close themagneto circuit. the battery circuit closing movements of said othermembers being dependent on starter circuit closing movements of saidtirst switch member.

23. in a device ol' the character described, the combination of abattery. a starting IDO- tor. a switching mechanism connecting said thecombination of a battery,

ber adaptedv to bridge the whereby battery is'connected'to the startingcoil, said housing by said motor switching mechanism,

substantially as and for the purpose described. v

4. In a device of the. character described, the combination of abattery, a startingmotor, a switch. for closing the circuit of thebattery to said motor, a. magneto, an induction coil, said switch alsoclosing the circuit of battery to the induction coil, at the same timethat closes the starting motor circuit, said switch also at this timeopening the nctocircu'it, means for returning the switch to itsrnormalposition, thereby opening the battery circuit to the motor and inductioncoil and closing the magneto circuit, substantially as and for thepurpose described.

In a device of the character described, the combination of a battery,astarting motor, means for closin the circuito'f the batignitionapparatus means for controliing the said ignition circuits, whereby anoperative ignition circuit is closed, when said first mentioned means isin its normal position, substantially as and "for the purpose described.

3. in a device of the character cescribed, a starting motor, and meansfor. closing the circuit of the battery to said motor, said means havinga normal and an abnormal position, a magneto, an induction coil inco-relation, and circuits therefor, said means also carrying means forclosing the battery circuit to said ignition coil and opening themagneto cir-' cuits when the said means are in the abnormal position,and opening the battery circuit to the ignition coil andwclosing themagneto circuits when said means are in their normal position,substantially as and for the purpose described.

,7 In a device of. the character described, the combination of abattery, a starting 'motor, a switch, a magneto, an induction coil, acircuit brea'kerand circuits adapted to wor in congunction therewith,said mag;

neto beingremovedfrom said circuits when said switch is in itsabnormal-position, subas and for the purpose described.

In a deviceoii the character described, the combination of a battery, astarting stantially motor, aswitch therefor, said switch ba ing twoterminals, said'battery'being connected to one terminal and said-motorto the other terminal, a plunger. carrying a contact memtwo terminals,

eluding a magneto and an induction coil,

coil,

and close the co-relation b u battery'to said motor, a box torcontaining said switching mechanism, a magneto, an in-.

duction'coil, a circuit breaker, and circuits therefor, contacts mountedin the side of said boX, said contacts being in said magnote, andinduction coil circuits, the said switching mechanism also serving toopen said contacts to said magneto, and said induction coil,substantially as and for the purpose described.

'10. In adcvice of the character described, the combination of abattery, astarting motor, a switch member- 'for closing the circuit ofthe battery to said motor, a magneto, an induction coil, and a circuitbreaker in co-relation therewith, circuits for said magneto, a. circuitfor said induction coil, the saidcircuits including; the circuitbreaker, means'operated by said switch member "for opening the circuitof the magneto, and for closing the circuit of the battery to theinduction coil and said breaker, at the same cuit of the battery to saidmotor, a' magneto,

an induction coil, and a. circuit breaker in therewith, circuits forsaid magncto, a circuit for said induction coil, said circuits includingthe circuit breaker, means operated by said switch member for closingthe circuit or the magneto to the said circuit breaker, and opening thecircuit of said battery to said induction coil and circuit breaker, whensaid; switch member is in its normal position, substantially as and forthe purpose described.

12. lin a device of the character described,

the combination or'a battery, an induction coil, a magneto, a circuitbreaker arranged in circuits common to both con and magneto,

.a switch adapted to open one of the common.

portions of said circuits, a starting motor and source of powertherefor, means for closing the circuit betwee said source of power andsaid motor, said means controlling; switching; means, whereby themagneto I is removed from the ignition circuits, and a source'of poweris connected to the induction 0011 at one means, and where y the magneto1s connect- 0 l I ed into the ignition circuits and the source or powerisremoved theretrom"'when the switching means is in another position,substantially as and for the purpose described. 13. In a device of thecharactir described.

.osition of the switching the combination of a battery, .1 startingmotor, and a switch therefor, said switclr liming two terminals, szticlbattery being connected toonc terminal and said motor. to

icriminal'wlicreby battery is connected to the st :ntmg motor, saidbridge member operating switch contacts controlling ignition cuits,substantially as described.

In testimony whereof I ailix my signature in the presence of twowitnesses.

' \VILLIAM HART.

\V'itnesses M. V. BARTLETT, C. W. CURTIss.

